90 degree elbow threaded 3000lb 1. Material: 304, 304L, 316, ... screw threads at both sides. We offer 90 degree and 45 degree elbows. These fittings have center to face dimension ... direction in piping and are also sometimes called a quarter bend.1. Material: 304, 304L, 316, 316L, etc.2 ... ASME B16.11, BS 37993. Type: 90° and 45°Threaded ElbowWe offer Sanitary Fittings, Stainless Steel Sanitary Fittings, ...